PTK gets rid of superficial irregular tissue within the cornea applying an excimer laser. It is often useful for corneal scars, surface irregularities or recurrent erosions. These measurements assistance identify refined irregularities and ensure if the cornea is ideal for customised LASIK. Pentacam facts is important for environment precise treatment https://directory-nation.com/listings14027374/5-simple-statements-about-best-lasik-eye-surgery-explained